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(11)

EP 2 389 724 A1

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(43) Date of publication: 30.11.2011 Bulletin 2011/48 (21) Application number: 10702374.9 (22) Date of filing: 25.01.2010

(51) International Patent Classification (IPC):  H03C 3/00(2006.01) H05B 41/392(2006.01) H04L 27/12(2006.01) (86) International application number: PCT/US2010/021915 (87) International publication number: WO 2010/085721 (29.07.2010 Gazette 2010/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 20.01.2010 US 690258 26.01.2009 US 147137 P (71) Applicant: Microchip Technology Incorporated Chandler, AZ 85224-6199 (US)	(72) Inventors: LUNDSTRUM, Zeke, R. Chandler, AZ 85224 (US) CURTIS, Keith Gilbert, AZ 85297 (US) STEEDMAN, Sean Phoenix, AZ 85048 (US) DELPORT, Vivien Chandler, AZ 85249 (US) ZDENEK, Jerrold, S. Maricopa, AZ 85138 (US) (74) Representative: Grubert, Andreas  King & Spalding International LLP 125 Old Broad Street GB-London EC2N 1AR GB-London EC2N 1AR (GB)